/Engine/Source/Runtime/Engine/Public/HLSLTree/HLSLTreeCommon.h
FExpressionSetStructField ( const [Shader::FStructType](API\Runtime\Engine\Shader\FStructType) * InStructType, const [Shader::FStructField](API\Runtime\Engine\Shader\FStructField) * InField, const [FExpression](API\Runtime\Engine\HLSLTree\FExpression) * InStructExpression, const [FExpression](API\Runtime\Engine\HLSLTree\FExpression) * InFieldExpression )